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经营范围
发明名称
SHELL AND PLUG ASSEMBLY MACHINE
摘要
申请公布号
US3497940(A)
申请公布日期
1970.03.03
申请号
USD3497940
申请日期
1967.01.30
申请人
BETHLEHEM STEEL CORP.
发明人
WARREN J. WISE
分类号
B21K1/44;E21D21/00;(IPC1-7):B23P19/04
主分类号
B21K1/44
代理机构
代理人
主权项
地址
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