Bronze or copper with carved into fishing. To China Jin Tianfu period (AD 936-943 years) has used copperplate "9 by"; 11 century, the Northern Song to copperplate print more notes and inserts.
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No. 2
Ancient copper type typography books, called "copperplate printing."
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tóng bǎn
Mainly used for printing photographs, and refined copper printing plates printed with photographic, plating and engraving of three production methods
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No. 4
Bronze or copper with carved into the plate. To China Jin Tianfu period (AD 936-943 years) has used copperplate "9 by"; 11 century, the Northern Song to copperplate print more notes and inserts. "Sung Chen Liangyou Biography": "generously made both within the government received for platinum will be tens of thousands of children, do not create income etching, military and civilian Xiran." Yuan Ming YT "golden lotus fish meal in mind": "to do the Doctor Chu copperplate shame How avoid Guda Fu Cheng dust remorse. "
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Photo ﹑ ﹑ electroforming and other copperplate engraving of the general
Photography, sculpture, etching, etc. The general electroforming. Mainly used for printing photographs, pictures, and delicate printed. Lu Xun's "Letter Set To Miss Bo": "If the system copperplate, must sell more, or, as Glass properties." Mao Dun "I build the path by the Commercial Press": "to the system halftone, zinc plate, copper mold and casting type. "