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发明名称
Method and means for increasing friction
摘要
申请公布号
US2910012(A)
申请公布日期
1959.10.27
申请号
US19560585993
申请日期
1956.05.21
申请人
STANFORD RESEARCH INSTITUTE
发明人
ELDREDGE KENNETH R.
分类号
B61C15/00
主分类号
B61C15/00
代理机构
代理人
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地址
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