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发明名称
Surfacing composition and method
摘要
申请公布号
US2648603(A)
申请公布日期
1953.08.11
申请号
US19490102426
申请日期
1949.06.30
申请人
PETER JENIN;JENIN NICHOLAS R
发明人
JENIN PETER;JENIN NICHOLAS R.
分类号
E01C13/06
主分类号
E01C13/06
代理机构
代理人
主权项
地址
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