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发明名称
SPOT DRILLING DEVICE
摘要
申请公布号
PL276695(A2)
申请公布日期
1989.10.02
申请号
PL19880276695
申请日期
1988.12.23
申请人
INST BUDOWNICTWA MECH
发明人
WIERZBICKI KRZYSZTOF;MARJANSKI MAREK;PRZYKORSKI ANDRZEJ;AFTARCZUK MIECZYSLAW;STACHOWICZ ZBIGNIEW
分类号
B23B;E03B;E03B9/02;F16L;F16L41/06;(IPC1-7):F16L/;B23B/;E03B/
主分类号
B23B
代理机构
代理人
主权项
地址
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