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经营范围
发明名称
HEATER DRILL MECHANISM SECTION FOR INSIDE OF PIPE
摘要
申请公布号
JPS58186600(A)
申请公布日期
1983.10.31
申请号
JP19820068454
申请日期
1982.04.23
申请人
NIPPON DENKI KK
发明人
MATSUMOTO YASUYOSHI
分类号
B26F1/24;B26F1/26;B26F3/06;B26F3/08;E02B9/06;E02F5/10;E21B7/00;E21B7/14;F16L1/038
主分类号
B26F1/24
代理机构
代理人
主权项
地址
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