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.)
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Individual
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Individual
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Priority to JP12804276ApriorityCriticalpatent/JPS5352453A/en
Publication of JPS5352453ApublicationCriticalpatent/JPS5352453A/en
JP12804276A1976-10-231976-10-23Instrument of measuring right angle for angle dimension with respect to level in semiispherical body
PendingJPS5352453A
(en)