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发明名称
Accelerators for dry pipe sprinkler systems
摘要
申请公布号
US2731091(A)
申请公布日期
1956.01.17
申请号
US19530358819
申请日期
1953.06.01
申请人
ROBBINS ROBERT R
发明人
ROBBINS ROBERT R.
分类号
A62C35/60;A62C35/66
主分类号
A62C35/60
代理机构
代理人
主权项
地址
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