JPS62152251U - - Google Patents

Info

Publication number
JPS62152251U
JPS62152251U JP3946186U JP3946186U JPS62152251U JP S62152251 U JPS62152251 U JP S62152251U JP 3946186 U JP3946186 U JP 3946186U JP 3946186 U JP3946186 U JP 3946186U JP S62152251 U JPS62152251 U JP S62152251U
Authority
JP
Japan
Prior art keywords
dust
reference plate
observation
dust concentration
perforated
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
JP3946186U
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 JP3946186U priority Critical patent/JPS62152251U/ja
Publication of JPS62152251U publication Critical patent/JPS62152251U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
JP3946186U 1986-03-18 1986-03-18 Pending JPS62152251U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3946186U JPS62152251U (enrdf_load_stackoverflow) 1986-03-18 1986-03-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3946186U JPS62152251U (enrdf_load_stackoverflow) 1986-03-18 1986-03-18

Publications (1)

Publication Number Publication Date
JPS62152251U true JPS62152251U (enrdf_load_stackoverflow) 1987-09-26

Family

ID=30852647

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3946186U Pending JPS62152251U (enrdf_load_stackoverflow) 1986-03-18 1986-03-18

Country Status (1)

Country Link
JP (1) JPS62152251U (enrdf_load_stackoverflow)

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