冷凍3種問題集 2026｜第三種冷凍機械責任者

Name: 冷凍3種 問題集 2026｜第三種冷凍機械責任者
Author: StackWorks LLC

StackWorks LLC

⬇ 5+ downloads

Est. actual: 6

Free

No in-app purchases

No ads

Signals

3 this week · 3 positive All of this week's signals →

📈Last 7 days +6 installs · 1/day since Oct 30
🏆Among Education apps top 43% by installs gained this week (1411 peers growing)
🛠Updates actively updated · updated 8 days ago

Installs since launch

+6 installs since Oct 30

Update history

1.0.1 Nov 2, 2026 · seen Nov 9, 2026

アプリのアイコンを新しくしました。次回の試験日を追加しました。

Only the current version so far — new entries appear as the app ships updates.

冷凍3種問題集 2026｜第三種冷凍機械責任者 is an education app by StackWorks LLC with 5+ downloads (about 6 estimated). +6 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.

From the store listing: “This book provides explanations for all 398 questions on laws, regulations, and safety management techniques for the Class 3 Refrigeration Machine Operator (Refrigeration Class 3) certification exam. It includes p-h diagrams and true/false question-and-answer drills.”

冷凍3種 問題集 2026｜第三種冷凍機械責任者

Signals

冷凍3種問題集 2026｜第三種冷凍機械責任者