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经营范围
发明名称
Acetylene manufacture
摘要
申请公布号
US2698349(A)
申请公布日期
1954.12.28
申请号
US19490114719
申请日期
1949.09.09
申请人
UNION OIL COMPANY OF CALIFORNIA
发明人
BILLS JOHN L.
分类号
C07C2/78
主分类号
C07C2/78
代理机构
代理人
主权项
地址
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