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发明名称
Self-flushing and pressure regulating fitting for irrigation sprinkler
摘要
申请公布号
US2720420(A)
申请公布日期
1955.10.11
申请号
US19540416230
申请日期
1954.03.15
申请人
OLIVER SEIFFERLE
发明人
SEIFFERLE OLIVER
分类号
B05B1/30;B05B3/04;B05B15/02
主分类号
B05B1/30
代理机构
代理人
主权项
地址
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