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发明名称
APPARATUS FOR REPLACING ROTATABLE MEMBERS
摘要
申请公布号
US3479715(A)
申请公布日期
1969.11.25
申请号
USD3479715
申请日期
1967.10.26
申请人
UNITED STATES STEEL CORP.
发明人
GEORGE H. HENDRICKSON
分类号
B23P19/04;B24B45/00;(IPC1-7):B23P19/02
主分类号
B23P19/04
代理机构
代理人
主权项
地址
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