-
公开(公告)号：US1337557A
公开(公告)日：1920-04-20
申请号：US9058016
申请日：1916-04-12
Applicant: DIAMOND POWER SPECIALITY
Inventor： HERMAN SAMUEL J , MACKENZIE CHESTER M
IPC: F28G1/16
CPC classification number: F28G1/163
Search Results
1
records
(took 0.014 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
