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经营范围
发明名称
Improvements in or relating to a method and machine for disintegrating a lithologic formation
摘要
申请公布号
GB761709(A)
申请公布日期
1956.11.21
申请号
GB19540021301
申请日期
1954.07.21
申请人
JOSEPH ZIONSON DALINDA
发明人
DALINDA JOSEPH ZIONSON;SPIRO ROMAN;LANGBERG EDWIN
分类号
E21B7/15
主分类号
E21B7/15
代理机构
代理人
主权项
地址
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