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经营范围
发明名称
Manufacture of tractive surface devices
摘要
申请公布号
US2416427(A)
申请公布日期
1947.02.25
申请号
US19440541978
申请日期
1944.06.24
申请人
RAYBESTOS-MANHATTAN, INC.
发明人
BONAWIT DAVID J.;ZEIDLER EUGENE R.
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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