JPS54157622A - Method of detecting perforation - Google Patents

Method of detecting perforation

Info

Publication number
JPS54157622A
JPS54157622A JP6636878A JP6636878A JPS54157622A JP S54157622 A JPS54157622 A JP S54157622A JP 6636878 A JP6636878 A JP 6636878A JP 6636878 A JP6636878 A JP 6636878A JP S54157622 A JPS54157622 A JP S54157622A
Authority
JP
Japan
Prior art keywords
detecting perforation
perforation
detecting
Prior art date
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.)
Granted
Application number
JP6636878A
Other languages
Japanese (ja)
Other versions
JPS5816834B2 (en
Inventor
Morio Chiyuuma
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.)
Ikegami Tsushinki Co Ltd
Original Assignee
Ikegami Tsushinki Co Ltd
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 Ikegami Tsushinki Co Ltd filed Critical Ikegami Tsushinki Co Ltd
Priority to JP6636878A priority Critical patent/JPS5816834B2/en
Publication of JPS54157622A publication Critical patent/JPS54157622A/en
Publication of JPS5816834B2 publication Critical patent/JPS5816834B2/en
Expired legal-status Critical Current

Links

JP6636878A 1978-06-01 1978-06-01 Perforation detection method Expired JPS5816834B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6636878A JPS5816834B2 (en) 1978-06-01 1978-06-01 Perforation detection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6636878A JPS5816834B2 (en) 1978-06-01 1978-06-01 Perforation detection method

Publications (2)

Publication Number Publication Date
JPS54157622A true JPS54157622A (en) 1979-12-12
JPS5816834B2 JPS5816834B2 (en) 1983-04-02

Family

ID=13313822

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6636878A Expired JPS5816834B2 (en) 1978-06-01 1978-06-01 Perforation detection method

Country Status (1)

Country Link
JP (1) JPS5816834B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62130351U (en) * 1986-02-12 1987-08-18
JPH01256756A (en) * 1988-04-04 1989-10-13 Hitachi Heating Appliance Co Ltd Combustion control for hot air heater

Also Published As

Publication number Publication date
JPS5816834B2 (en) 1983-04-02

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