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经营范围
发明名称
Combined hose reel and valve
摘要
申请公布号
US2094872(A)
申请公布日期
1937.10.05
申请号
US19360074502
申请日期
1936.04.15
申请人
CRAWFORD JOHN D
发明人
CRAWFORD JOHN D.
分类号
B65H75/44
主分类号
B65H75/44
代理机构
代理人
主权项
地址
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