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发明名称
Wischer zum Reinigen von Rohren od. dgl.
摘要
申请公布号
DE1256603(B)
申请公布日期
1967.12.21
申请号
DE1966B086996
申请日期
1966.05.06
申请人
BYRON JACKSON INC.
发明人
GRANT JOHN C.
分类号
B08B9/023;E21B33/08
主分类号
B08B9/023
代理机构
代理人
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地址
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