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发明名称
PLANT FOR PRODUCING WATER-GAS OR DOUBLE GAS
摘要
申请公布号
CA297707(A)
申请公布日期
1930.02.25
申请号
CAD297707
申请日期
申请人
OSWALD HELLER
发明人
OSWALD HELLER
分类号
主分类号
代理机构
代理人
主权项
地址
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