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发明名称
SPIRAL-WOUND DISC FRICTION ELEMENT AND METHOD OF MAKING SAME
摘要
申请公布号
US3437546(A)
申请公布日期
1969.04.08
申请号
USD3437546
申请日期
1965.05.24
申请人
JOHNS MANVILLE CORP.
发明人
FRANK LOMBARDY
分类号
F16D69/02;(IPC1-7):D04H13/00;B32B19/00
主分类号
F16D69/02
代理机构
代理人
主权项
地址
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