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发明名称
Aluminum type matrix
摘要
申请公布号
US1823179(A)
申请公布日期
1931.09.15
申请号
US19290391512
申请日期
1929.09.09
申请人
ALUMINUM COMPANY OF AMERICA
发明人
WENTZ WELKER WALLACE
分类号
B41B11/00
主分类号
B41B11/00
代理机构
代理人
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地址
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