JPH0445097U - - Google Patents

Info

Publication number
JPH0445097U
JPH0445097U JP8622190U JP8622190U JPH0445097U JP H0445097 U JPH0445097 U JP H0445097U JP 8622190 U JP8622190 U JP 8622190U JP 8622190 U JP8622190 U JP 8622190U JP H0445097 U JPH0445097 U JP H0445097U
Authority
JP
Japan
Prior art keywords
dust
powder
black
white board
wiping
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.)
Pending
Application number
JP8622190U
Other languages
English (en)
Japanese (ja)
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 JP8622190U priority Critical patent/JPH0445097U/ja
Publication of JPH0445097U publication Critical patent/JPH0445097U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Filtering Of Dispersed Particles In Gases (AREA)
  • Drawing Aids And Blackboards (AREA)
JP8622190U 1990-08-16 1990-08-16 Pending JPH0445097U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8622190U JPH0445097U (enrdf_load_stackoverflow) 1990-08-16 1990-08-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8622190U JPH0445097U (enrdf_load_stackoverflow) 1990-08-16 1990-08-16

Publications (1)

Publication Number Publication Date
JPH0445097U true JPH0445097U (enrdf_load_stackoverflow) 1992-04-16

Family

ID=31817778

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8622190U Pending JPH0445097U (enrdf_load_stackoverflow) 1990-08-16 1990-08-16

Country Status (1)

Country Link
JP (1) JPH0445097U (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109094262A (zh) * 2018-09-14 2018-12-28 施海燕 吸尘黑板擦

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6337276U (enrdf_load_stackoverflow) * 1986-08-26 1988-03-10

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6337276U (enrdf_load_stackoverflow) * 1986-08-26 1988-03-10

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109094262A (zh) * 2018-09-14 2018-12-28 施海燕 吸尘黑板擦

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