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发明名称
Method and device for producing high-pressure tubes of hardening materials as cement
摘要
申请公布号
US2649133(A)
申请公布日期
1953.08.18
申请号
US19480011928
申请日期
1948.02.28
申请人
HIMANIT AKTIENGESELLSCHAFT
发明人
JUST KONRAD
分类号
B28B21/50
主分类号
B28B21/50
代理机构
代理人
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