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发明名称
Perfectionnements aux matières de friction et à leur procédé de fabrication
摘要
申请公布号
FR765307(A)
申请公布日期
1934.06.08
申请号
FRD765307
申请日期
1933.12.08
申请人
JOHNS-MANVILLE CORPORATION
发明人
分类号
F16D69/02
主分类号
F16D69/02
代理机构
代理人
主权项
地址
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