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发明名称
Sprinkler
摘要
申请公布号
US1796942(A)
申请公布日期
1931.03.17
申请号
US19280281627
申请日期
1928.05.31
申请人
POTTENGER JR FRANCIS M
发明人
JR. FRANCIS M. POTTENGER,
分类号
B05B3/02;B05B3/04
主分类号
B05B3/02
代理机构
代理人
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地址
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