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经营范围
发明名称
Paving apparatus
摘要
申请公布号
US2867886(A)
申请公布日期
1959.01.13
申请号
US19580736362
申请日期
1958.05.19
申请人
BENSON WALTER F
发明人
BENSON WALTER F.
分类号
E04F15/02;E04F21/20
主分类号
E04F15/02
代理机构
代理人
主权项
地址
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