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.)
WATANABE IRON WORKS
WATANABE TEKKOSHO KK
Original Assignee
WATANABE IRON WORKS
WATANABE TEKKOSHO KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WATANABE IRON WORKS, WATANABE TEKKOSHO KKfiledCriticalWATANABE IRON WORKS
Priority to JP3759581ApriorityCriticalpatent/JPS57156198A/en
Publication of JPS57156198ApublicationCriticalpatent/JPS57156198A/en