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发明名称
Method and apparatus for testing pipelines
摘要
申请公布号
US3400574(A)
申请公布日期
1968.09.10
申请号
US19660590599
申请日期
1966.10.31
申请人
HAROLD W. CRAMER
发明人
CRAMER HAROLD W.
分类号
G01M3/00;G01M3/28
主分类号
G01M3/00
代理机构
代理人
主权项
地址
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