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经营范围
发明名称
Perforating apparatus
摘要
申请公布号
US2099892(A)
申请公布日期
1937.11.23
申请号
US19350001840
申请日期
1935.01.15
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
JOHNSTONE HAROLD G.
分类号
G06C11/08
主分类号
G06C11/08
代理机构
代理人
主权项
地址
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