Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AUTOMATIC VACUUM PUMP Co
Original Assignee
AUTOMATIC VACUUM PUMP Co
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Filing date
Publication date
Application filed by AUTOMATIC VACUUM PUMP CofiledCriticalAUTOMATIC VACUUM PUMP Co
Application grantedgrantedCritical
Publication of CA113523ApublicationCriticalpatent/CA113523A/fr