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发明名称
COIL SPRING POSITIONING DEVICE
摘要
申请公布号
US3469608(A)
申请公布日期
1969.09.30
申请号
USD3469608
申请日期
1967.07.26
申请人
LEGGETT & PLATT INC.
发明人
CARL O. KIRCHNER;JOHN T. KING
分类号
B21F33/04;(IPC1-7):B21F27/00;A47C31/04
主分类号
B21F33/04
代理机构
代理人
主权项
地址
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