-
公开(公告)号:CA211964A
公开(公告)日:1921-05-24
申请号:CA211964D
Applicant: STEWART WILLIAM E , STOUGHTON THEODORE
Inventor: STEWART WILLIAM E , STOUGHTON THEODORE
公开(公告)号:CA211964A
公开(公告)日:1921-05-24
申请号:CA211964D
Applicant: STEWART WILLIAM E , STOUGHTON THEODORE
Inventor: STEWART WILLIAM E , STOUGHTON THEODORE