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.)
Expired
Application number
CA730088A
Inventor
Yamamoto Yuzo
Goto Ryosuke
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.)
NIPPON JUNSUISO (JAPAN PURE HYDROGEN CO LTD) KK
Original Assignee
NIPPON JUNSUISO (JAPAN PURE HYDROGEN CO LTD) KK
Publication date
Application grantedgrantedCritical
Publication of CA730088ApublicationCriticalpatent/CA730088A/en