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公开(公告)号：US1157255A
公开(公告)日：1915-10-19
申请号：US1914816278
申请日：1914-02-03
Applicant: STANDARD OIL CO CALIFORNIA
Inventor： QUINN JOHN L
CPC classification number: G05D23/08
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公开(公告)号：US1222794A
公开(公告)日：1917-04-17
申请号：US1913809239
申请日：1913-12-29
Applicant: STANDARD OIL CO CALIFORNIA
Inventor： QUINN JOHN L
CPC classification number: A01G13/06
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