JPH01171446U - - Google Patents

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Publication number
JPH01171446U
JPH01171446U JP6422588U JP6422588U JPH01171446U JP H01171446 U JPH01171446 U JP H01171446U JP 6422588 U JP6422588 U JP 6422588U JP 6422588 U JP6422588 U JP 6422588U JP H01171446 U JPH01171446 U JP H01171446U
Authority
JP
Japan
Prior art keywords
base
support means
use position
upright
upright holding
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
JP6422588U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0740993Y2 (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 JP1988064225U priority Critical patent/JPH0740993Y2/ja
Priority to DE3915918A priority patent/DE3915918A1/de
Priority to US07/352,542 priority patent/US4938587A/en
Publication of JPH01171446U publication Critical patent/JPH01171446U/ja
Application granted granted Critical
Publication of JPH0740993Y2 publication Critical patent/JPH0740993Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Overhead Projectors And Projection Screens (AREA)
JP1988064225U 1988-05-16 1988-05-16 折り畳み光学装置 Expired - Lifetime JPH0740993Y2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1988064225U JPH0740993Y2 (ja) 1988-05-16 1988-05-16 折り畳み光学装置
DE3915918A DE3915918A1 (de) 1988-05-16 1989-05-16 Optisches geraet
US07/352,542 US4938587A (en) 1988-05-16 1989-05-16 Foldable optical apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988064225U JPH0740993Y2 (ja) 1988-05-16 1988-05-16 折り畳み光学装置

Publications (2)

Publication Number Publication Date
JPH01171446U true JPH01171446U (enrdf_load_stackoverflow) 1989-12-05
JPH0740993Y2 JPH0740993Y2 (ja) 1995-09-20

Family

ID=31289699

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988064225U Expired - Lifetime JPH0740993Y2 (ja) 1988-05-16 1988-05-16 折り畳み光学装置

Country Status (1)

Country Link
JP (1) JPH0740993Y2 (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61190543U (enrdf_load_stackoverflow) * 1985-05-20 1986-11-27
JPS6243349U (enrdf_load_stackoverflow) * 1985-09-05 1987-03-16

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61190543U (enrdf_load_stackoverflow) * 1985-05-20 1986-11-27
JPS6243349U (enrdf_load_stackoverflow) * 1985-09-05 1987-03-16

Also Published As

Publication number Publication date
JPH0740993Y2 (ja) 1995-09-20

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