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发明名称
Stubbing device
摘要
申请公布号
US1999604(A)
申请公布日期
1935.04.30
申请号
US19330676083
申请日期
1933.06.16
申请人
MALLEABLE IRON FITTINGS COMPANY
发明人
WILLIAMS ROLLAND G.
分类号
E04H12/22
主分类号
E04H12/22
代理机构
代理人
主权项
地址
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