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发明名称
Molding
摘要
申请公布号
US1919300(A)
申请公布日期
1933.07.25
申请号
US19310559317
申请日期
1931.08.25
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
LEWIS EDWIN
分类号
E04F19/04
主分类号
E04F19/04
代理机构
代理人
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