JPH0310749Y2 - - Google Patents

Info

Publication number
JPH0310749Y2
JPH0310749Y2 JP1987002977U JP297787U JPH0310749Y2 JP H0310749 Y2 JPH0310749 Y2 JP H0310749Y2 JP 1987002977 U JP1987002977 U JP 1987002977U JP 297787 U JP297787 U JP 297787U JP H0310749 Y2 JPH0310749 Y2 JP H0310749Y2
Authority
JP
Japan
Prior art keywords
earplug
earplug body
core pipe
tip
hole
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
JP1987002977U
Other languages
English (en)
Japanese (ja)
Other versions
JPS63111128U (enrdf_load_stackoverflow
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 filed Critical
Priority to JP1987002977U priority Critical patent/JPH0310749Y2/ja
Publication of JPS63111128U publication Critical patent/JPS63111128U/ja
Application granted granted Critical
Publication of JPH0310749Y2 publication Critical patent/JPH0310749Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Headphones And Earphones (AREA)
JP1987002977U 1987-01-14 1987-01-14 Expired JPH0310749Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987002977U JPH0310749Y2 (enrdf_load_stackoverflow) 1987-01-14 1987-01-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987002977U JPH0310749Y2 (enrdf_load_stackoverflow) 1987-01-14 1987-01-14

Publications (2)

Publication Number Publication Date
JPS63111128U JPS63111128U (enrdf_load_stackoverflow) 1988-07-16
JPH0310749Y2 true JPH0310749Y2 (enrdf_load_stackoverflow) 1991-03-18

Family

ID=30782321

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987002977U Expired JPH0310749Y2 (enrdf_load_stackoverflow) 1987-01-14 1987-01-14

Country Status (1)

Country Link
JP (1) JPH0310749Y2 (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52110428U (enrdf_load_stackoverflow) * 1976-02-19 1977-08-22
JPS5518825U (enrdf_load_stackoverflow) * 1978-07-20 1980-02-06

Also Published As

Publication number Publication date
JPS63111128U (enrdf_load_stackoverflow) 1988-07-16

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