ES111274A1 - Improvements in filters. - Google Patents

Improvements in filters.

Info

Publication number
ES111274A1
ES111274A1 ES111274A ES111274A ES111274A1 ES 111274 A1 ES111274 A1 ES 111274A1 ES 111274 A ES111274 A ES 111274A ES 111274 A ES111274 A ES 111274A ES 111274 A1 ES111274 A1 ES 111274A1
Authority
ES
Spain
Prior art keywords
filters
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.)
Expired
Application number
ES111274A
Other languages
Spanish (es)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to ES111274A priority Critical patent/ES111274A1/en
Publication of ES111274A1 publication Critical patent/ES111274A1/en
Expired legal-status Critical Current

Links

ES111274A 1929-02-04 1929-02-04 Improvements in filters. Expired ES111274A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES111274A ES111274A1 (en) 1929-02-04 1929-02-04 Improvements in filters.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES111274A ES111274A1 (en) 1929-02-04 1929-02-04 Improvements in filters.

Publications (1)

Publication Number Publication Date
ES111274A1 true ES111274A1 (en) 1929-04-01

Family

ID=65564796

Family Applications (1)

Application Number Title Priority Date Filing Date
ES111274A Expired ES111274A1 (en) 1929-02-04 1929-02-04 Improvements in filters.

Country Status (1)

Country Link
ES (1) ES111274A1 (en)

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