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发明名称
MACHINE FOR SIMULTANEOUSLY EXPANDING AND SHAPING SEAT INSERTS IN BODIES OF BUTTERFLY VALVES
摘要
申请公布号
US3570095(A)
申请公布日期
1971.03.16
申请号
USD3570095
申请日期
1969.05.01
申请人
GENERAL SIGNAL CORP.
发明人
IRVING O. MINER
分类号
B23P15/00;F16K1/226;(IPC1-7):B23P11/00;B23P11/02;B23P19/00
主分类号
B23P15/00
代理机构
代理人
主权项
地址
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