OFFICIAL TITLE · ENGLISH INDEX

T/CECA 117-2025

电声换能器用防水膜在超宽带满带和超声频段的传输损耗测量方法

The official Chinese title is shown unchanged. Standard identifiers, dates and issuing bodies come from the catalogue record; navigation and explanatory labels are in English.

In forceRecommendedAssociation standard
Level
Association standard
Status
In force
Nature
Recommended
Issuing body
中国电子元件行业协会
Issued
2025-12-31
Effective
2026-01-01
Standard family
T/CECA 117
Classification
ICS 33.160.50 附件 · 通信与广播电视
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