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经营范围
发明名称
WELL TREATMENT
摘要
申请公布号
CA754477(A)
申请公布日期
1967.03.14
申请号
CAD754477
申请日期
申请人
CALGON CORPORATION
发明人
CHARLES T. ROLAND;CARL W. REGUTTI
分类号
主分类号
代理机构
代理人
主权项
地址
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