JPS5816878Y2 - プロトラクタ - Google Patents

プロトラクタ

Info

Publication number
JPS5816878Y2
JPS5816878Y2 JP1978058117U JP5811778U JPS5816878Y2 JP S5816878 Y2 JPS5816878 Y2 JP S5816878Y2 JP 1978058117 U JP1978058117 U JP 1978058117U JP 5811778 U JP5811778 U JP 5811778U JP S5816878 Y2 JPS5816878 Y2 JP S5816878Y2
Authority
JP
Japan
Prior art keywords
protractor
recording paper
scale
scale plate
graph
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.)
Expired
Application number
JP1978058117U
Other languages
English (en)
Japanese (ja)
Other versions
JPS54160259U (enrdf_load_stackoverflow
Inventor
信雄 岩田
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.)
Kenwood KK
Original Assignee
Kenwood 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 Kenwood KK filed Critical Kenwood KK
Priority to JP1978058117U priority Critical patent/JPS5816878Y2/ja
Publication of JPS54160259U publication Critical patent/JPS54160259U/ja
Application granted granted Critical
Publication of JPS5816878Y2 publication Critical patent/JPS5816878Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP1978058117U 1978-04-28 1978-04-28 プロトラクタ Expired JPS5816878Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1978058117U JPS5816878Y2 (ja) 1978-04-28 1978-04-28 プロトラクタ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1978058117U JPS5816878Y2 (ja) 1978-04-28 1978-04-28 プロトラクタ

Publications (2)

Publication Number Publication Date
JPS54160259U JPS54160259U (enrdf_load_stackoverflow) 1979-11-08
JPS5816878Y2 true JPS5816878Y2 (ja) 1983-04-05

Family

ID=28956638

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1978058117U Expired JPS5816878Y2 (ja) 1978-04-28 1978-04-28 プロトラクタ

Country Status (1)

Country Link
JP (1) JPS5816878Y2 (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS454265Y1 (enrdf_load_stackoverflow) * 1967-07-13 1970-02-27
JPS478588U (enrdf_load_stackoverflow) * 1971-02-22 1972-10-02

Also Published As

Publication number Publication date
JPS54160259U (enrdf_load_stackoverflow) 1979-11-08

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