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发明名称
Apparatus for manufacturing plates
摘要
申请公布号
US1873361(A)
申请公布日期
1932.08.23
申请号
US19280245940
申请日期
1928.01.11
申请人
WILFRED SYKES
发明人
SYKES WILFRED
分类号
B21D25/00
主分类号
B21D25/00
代理机构
代理人
主权项
地址
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