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.)
NITSUTSUKO KK
Original Assignee
NITSUTSUKO KK
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Filing date
Publication date
Application filed by NITSUTSUKO KKfiledCriticalNITSUTSUKO KK
Priority to JP14797383ApriorityCriticalpatent/JPS6039970A/ja
Publication of JPS6039970ApublicationCriticalpatent/JPS6039970A/ja
Publication of JPS6337547B2publicationCriticalpatent/JPS6337547B2/ja
H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems