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经营范围
发明名称
Chalumeau
摘要
申请公布号
FR1010873(A)
申请公布日期
1952.06.16
申请号
FRD1010873
申请日期
1950.02.04
申请人
THE LINDE AIR PRODUCTS COMPANY
发明人
分类号
E21B7/14;F23D14/32
主分类号
E21B7/14
代理机构
代理人
主权项
地址
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