-
公开(公告)号:US812030A
公开(公告)日:1906-02-06
申请号:US1905266963
申请日:1905-06-26
Applicant: ERICSON JOB E
Inventor: ERICSON JOB E
CPC classification number: E03D1/30
公开(公告)号:US812030A
公开(公告)日:1906-02-06
申请号:US1905266963
申请日:1905-06-26
Applicant: ERICSON JOB E
Inventor: ERICSON JOB E
CPC classification number: E03D1/30