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发明名称
Roofing asphalt spray system
摘要
申请公布号
US2645524(A)
申请公布日期
1953.07.14
申请号
US19500182811
申请日期
1950.09.01
申请人
KELLY KENNETT C
发明人
KELLY KENNETT C.
分类号
B08B9/02;E01C19/17;F16K21/04
主分类号
B08B9/02
代理机构
代理人
主权项
地址
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