CN88205620U - Device for reducing stray light - Google Patents

Device for reducing stray light

Info

Publication number
CN88205620U
CN88205620U CN 88205620 CN88205620U CN88205620U CN 88205620 U CN88205620 U CN 88205620U CN 88205620 CN88205620 CN 88205620 CN 88205620 U CN88205620 U CN 88205620U CN 88205620 U CN88205620 U CN 88205620U
Authority
CN
China
Prior art keywords
stray light
reducing stray
reducing
light
stray
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
CN 88205620
Other languages
Chinese (zh)
Inventor
Mingzhong Liu
Guohuiei Shan
Lijun Ma
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.)
Beijing Geological Instruments Factory Ministry Of Geology & Minerals
Original Assignee
Beijing Geological Instruments Factory Ministry Of Geology & Minerals
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 Beijing Geological Instruments Factory Ministry Of Geology & Minerals filed Critical Beijing Geological Instruments Factory Ministry Of Geology & Minerals
Priority to CN 88205620 priority Critical patent/CN88205620U/en
Publication of CN88205620U publication Critical patent/CN88205620U/en
Pending legal-status Critical Current

Links

CN 88205620 1988-06-07 1988-06-07 Device for reducing stray light Pending CN88205620U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 88205620 CN88205620U (en) 1988-06-07 1988-06-07 Device for reducing stray light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 88205620 CN88205620U (en) 1988-06-07 1988-06-07 Device for reducing stray light

Publications (1)

Publication Number Publication Date
CN88205620U true CN88205620U (en) 1989-01-25

Family

ID=4839976

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 88205620 Pending CN88205620U (en) 1988-06-07 1988-06-07 Device for reducing stray light

Country Status (1)

Country Link
CN (1) CN88205620U (en)

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