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发明名称
Machine for making friction elements
摘要
申请公布号
US1920023(A)
申请公布日期
1933.07.25
申请号
US19300491375
申请日期
1930.10.27
申请人
AMERICAN BRAKEBLOK CORPORATION
发明人
SMITH HARRY N.
分类号
B29C47/10;B29C47/32
主分类号
B29C47/10
代理机构
代理人
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