IT8747543A0 - Dispositivo di difesa contro corpi estranei - Google Patents

Dispositivo di difesa contro corpi estranei

Info

Publication number
IT8747543A0
IT8747543A0 IT8747543A IT4754387A IT8747543A0 IT 8747543 A0 IT8747543 A0 IT 8747543A0 IT 8747543 A IT8747543 A IT 8747543A IT 4754387 A IT4754387 A IT 4754387A IT 8747543 A0 IT8747543 A0 IT 8747543A0
Authority
IT
Italy
Prior art keywords
foreign bodies
device against
against foreign
defense device
defense
Prior art date
Application number
IT8747543A
Other languages
English (en)
Other versions
IT1224220B (it
Inventor
Frieske Hans-Jurgen
Rudiger Manfred
Original Assignee
Dynamit Nobel Ag
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 Dynamit Nobel Ag filed Critical Dynamit Nobel Ag
Priority to IT47543/87A priority Critical patent/IT1224220B/it
Publication of IT8747543A0 publication Critical patent/IT8747543A0/it
Application granted granted Critical
Publication of IT1224220B publication Critical patent/IT1224220B/it

Links

IT47543/87A 1987-01-20 1987-01-20 Dispositivo di difesa contro corpi estranei IT1224220B (it)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT47543/87A IT1224220B (it) 1987-01-20 1987-01-20 Dispositivo di difesa contro corpi estranei

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT47543/87A IT1224220B (it) 1987-01-20 1987-01-20 Dispositivo di difesa contro corpi estranei

Publications (2)

Publication Number Publication Date
IT8747543A0 true IT8747543A0 (it) 1987-01-20
IT1224220B IT1224220B (it) 1990-09-26

Family

ID=11260992

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47543/87A IT1224220B (it) 1987-01-20 1987-01-20 Dispositivo di difesa contro corpi estranei

Country Status (1)

Country Link
IT (1) IT1224220B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106567739B (zh) * 2016-10-28 2018-08-10 中煤科工集团西安研究院有限公司 一种基于定向钻进技术的矿井火源异常区探测方法

Also Published As

Publication number Publication date
IT1224220B (it) 1990-09-26

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940425