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经营范围
发明名称
CLEANING HEAT EXCHANGER TUBES
摘要
申请公布号
AU3937578(A)
申请公布日期
1980.03.06
申请号
AU19780039375
申请日期
1978.08.30
申请人
WATER SERVICES OF AMERICA
发明人
GORDON F. LEITNER;FRED G. WIEGRATZ;JOHN C. CLEAVER
分类号
F28G1/12
主分类号
F28G1/12
代理机构
代理人
主权项
地址
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